Five years ago the City of Toronto and CAA handed out 150,000 “Door Prize cards” (PDF) that included a sticker drivers could put on their side view mirrors to remind them to watch for cyclists and warning them of the dangers of the “door prize.”

Here’s what the old cards looked like:

Today, June 9th, 2010, another “Watch for Bikes” campaign launches in Toronto.

Looking back at the 2005 campaign there was also mention of a 1998 bylaw that requires taxis to be equipped with 3 stickers warning the drivers and passengers to watch for bikes: